one-time
compound adjective5 collocationsAvg. frequency: 5.8
A sum of money paid on a single occasion rather than in installments.
one-time fee7.0
A charge that is paid only once for a particular service or product.
A person one was associated with for a single project, event, or period.
A person with whom one had a romantic or sexual relationship on a single or brief occasion.
A person, team, or company that was a competitor on a single occasion or in the past.